{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-03-19 18:26:44.818399", "data_source": "ERA5", "website": "http://wexa.jamstec.go.jp", "Author": "Patrick Martineau"}, "event_id": {"name": "Event ID", "description": "A unique identifier based on: beginning_date, end_date, longitude, and latitude", "value": "2021-Jul-21_to_2021-Jul-24_296.0_-30.5"}, "event_label": {"name": "Event label", "description": "Integer-valued grid identifier that uniquely labels each detected extreme event in space and time, consistent with the corresponding labels stored in the NetCDF dataset.", "value": 2021070002667}, "status": {"name": "Status", "description": "An ongoing event denotes an event that lasts up to the latest data available. These events are subject to change as newer data is added.", "value": false}, "start_date": {"name": "Start date", "description": "First date on which grid points are under the influence of an event", "value": "July 21 2021"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 24 2021"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 4}, "figures_available": {"name": "Figures available", "description": "True if figures were pre-generated for this event", "value": true}, "detection_var": {"name": "Detection variable", "description": "Variable used for the detection scheme", "value": "t2m"}, "event_type": {"name": "Event type", "description": "Type of the event detected", "value": "Heat wave"}, "area": {"name": "Area", "description": "The area (in square meters) encompassing all grid points under the influence of an event during its lifetime.", "value": 70634.63779463526}, "countries_affected": {"name": "Countries affected", "description": "The ArcGIS geocoding API (https://developers.arcgis.com/rest/geocode/) is used to obtain a list of all the countries affected by an event during its lifetime.", "value": ["Argentina"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["America"]}, "oceans_affected": {"name": "Ocean basins affected", "description": "The ArcGIS geocoding API (https://developers.arcgis.com/rest/geocode/) is used to obtain a list of all the ocean basins affected by an event during its lifetime.", "value": []}, "center_lat": {"name": "Center latitude", "description": "Latitude of the maximum time-integrated standardized t2m anomalies. Only t2m of the same polarity as the events are considered (positive T2m for a HW, for instance). The centre is thus representative of both the severity and persistence of anomalies.", "value": -30.5}, "center_lon": {"name": "Center longitude", "description": "Longitude of the maximum time-integrated standardized t2m anomalies. Only t2m of the same polarity as the events are considered (positive T2m for a HW, for instance). The centre is thus representative of both the severity and persistence of anomalies.", "value": 296.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "296.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 295.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 298.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -34.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -30.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "Polygon", "coordinates": [[[-65.53, -31.47], [-65.177, -31.323], [-65.146, -31.25], [-65.25, -31.0], [-65.043, -30.5], [-65.25, -30.0], [-65.03, -29.47], [-64.5, -29.25], [-64.25, -29.354], [-64.0, -29.25], [-63.47, -29.47], [-63.25, -30.0], [-63.354, -30.25], [-63.25, -30.5], [-63.354, -30.75], [-63.323, -30.823], [-63.25, -30.854], [-63.0, -30.75], [-62.47, -30.97], [-62.323, -31.323], [-61.97, -31.47], [-61.75, -32.0], [-61.854, -32.25], [-61.823, -32.323], [-61.47, -32.47], [-61.25, -33.0], [-61.354, -33.25], [-61.25, -33.5], [-61.354, -33.75], [-61.25, -34.0], [-61.354, -34.25], [-61.25, -34.5], [-61.47, -35.03], [-62.0, -35.25], [-62.53, -35.03], [-62.677, -34.677], [-63.03, -34.53], [-63.25, -34.0], [-63.146, -33.75], [-63.25, -33.5], [-63.146, -33.25], [-63.177, -33.177], [-63.25, -33.146], [-63.5, -33.25], [-63.75, -33.146], [-64.0, -33.25], [-64.25, -33.146], [-64.5, -33.25], [-65.03, -33.03], [-65.177, -32.677], [-65.53, -32.53], [-65.75, -32.0], [-65.53, -31.47]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.E.South-America"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2021-07-21T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[-64.64644660940672, -30.75], [-64.75, -30.5], [-64.53033008588989, -29.96966991411009], [-64.0, -29.75], [-63.46966991411011, -29.96966991411009], [-63.25, -30.5], [-63.35355339059328, -30.75], [-63.25, -31.0], [-63.46966991411011, -31.53033008588991], [-64.0, -31.75], [-64.53033008588989, -31.53033008588991], [-64.75, -31.0], [-64.64644660940672, -30.75]]]}, "2021-07-22T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[-65.17677669529661, -32.67677669529664], [-65.53033008588989, -32.53033008588991], [-65.75, -32.0], [-65.53033008588989, -31.46966991411009], [-65.17677669529661, -31.32322330470336], [-65.14644660940672, -31.25], [-65.25, -31.0], [-65.04289321881345, -30.5], [-65.25, -30.0], [-65.03033008588989, -29.46966991411009], [-64.5, -29.25], [-64.25, -29.353553390593277], [-64.0, -29.25], [-63.46966991411011, -29.46966991411009], [-63.25, -30.0], [-63.35355339059328, -30.25], [-63.25, -30.5], [-63.35355339059328, -30.75], [-63.32322330470339, -30.82322330470336], [-63.25, -30.853553390593277], [-63.0, -30.75], [-62.46966991411011, -30.96966991411009], [-62.32322330470339, -31.32322330470336], [-61.96966991411011, -31.46966991411009], [-61.75, -32.0], [-61.85355339059328, -32.25], [-61.82322330470339, -32.32322330470336], [-61.46966991411011, -32.46966991411009], [-61.25, -33.0], [-61.35355339059328, -33.25], [-61.25, -33.5], [-61.35355339059328, -33.75], [-61.25, -34.0], [-61.35355339059328, -34.25], [-61.25, -34.5], [-61.46966991411011, -35.03033008588991], [-62.0, -35.25], [-62.53033008588989, -35.03033008588991], [-62.67677669529661, -34.67677669529664], [-63.03033008588989, -34.53033008588991], [-63.25, -34.0], [-63.14644660940672, -33.75], [-63.25, -33.5], [-63.14644660940672, -33.25], [-63.17677669529661, -33.17677669529664], [-63.25, -33.14644660940672], [-63.5, -33.25], [-63.75, -33.14644660940672], [-64.0, -33.25], [-64.25, -33.14644660940672], [-64.5, -33.25], [-65.03033008588989, -33.03033008588991], [-65.17677669529661, -32.67677669529664]]]}, "2021-07-23T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[-65.17677669529661, -32.67677669529664], [-65.53033008588989, -32.53033008588991], [-65.75, -32.0], [-65.53033008588989, -31.46966991411009], [-65.17677669529661, -31.32322330470336], [-65.14644660940672, -31.25], [-65.25, -31.0], [-65.04289321881345, -30.5], [-65.25, -30.0], [-65.03033008588989, -29.46966991411009], [-64.5, -29.25], [-64.25, -29.353553390593277], [-64.0, -29.25], [-63.46966991411011, -29.46966991411009], [-63.25, -30.0], [-63.35355339059328, -30.25], [-63.25, -30.5], [-63.35355339059328, -30.75], [-63.32322330470339, -30.82322330470336], [-63.25, -30.853553390593277], [-63.0, -30.75], [-62.46966991411011, -30.96966991411009], [-62.32322330470339, -31.32322330470336], [-61.96966991411011, -31.46966991411009], [-61.75, -32.0], [-61.85355339059328, -32.25], [-61.82322330470339, -32.32322330470336], [-61.46966991411011, -32.46966991411009], [-61.25, -33.0], [-61.35355339059328, -33.25], [-61.25, -33.5], [-61.35355339059328, -33.75], [-61.25, -34.0], [-61.35355339059328, -34.25], [-61.25, -34.5], [-61.46966991411011, -35.03033008588991], [-62.0, -35.25], [-62.53033008588989, -35.03033008588991], [-62.67677669529661, -34.67677669529664], [-63.03033008588989, -34.53033008588991], [-63.25, -34.0], [-63.14644660940672, -33.75], [-63.25, -33.5], [-63.14644660940672, -33.25], [-63.17677669529661, -33.17677669529664], [-63.25, -33.14644660940672], [-63.5, -33.25], [-63.75, -33.14644660940672], [-64.0, -33.25], [-64.25, -33.14644660940672], [-64.5, -33.25], [-65.03033008588989, -33.03033008588991], [-65.17677669529661, -32.67677669529664]]]}, "2021-07-24T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[-65.17677669529661, -32.67677669529664], [-65.53033008588989, -32.53033008588991], [-65.75, -32.0], [-65.53033008588989, -31.46966991411009], [-65.17677669529661, -31.32322330470336], [-65.14644660940672, -31.25], [-65.25, -31.0], [-65.04289321881345, -30.5], [-65.25, -30.0], [-65.03033008588989, -29.46966991411009], [-64.5, -29.25], [-64.25, -29.353553390593277], [-64.0, -29.25], [-63.46966991411011, -29.46966991411009], [-63.25, -30.0], [-63.35355339059328, -30.25], [-63.25, -30.5], [-63.35355339059328, -30.75], [-63.32322330470339, -30.82322330470336], [-63.25, -30.853553390593277], [-63.0, -30.75], [-62.46966991411011, -30.96966991411009], [-62.32322330470339, -31.32322330470336], [-61.96966991411011, -31.46966991411009], [-61.75, -32.0], [-61.85355339059328, -32.25], [-61.82322330470339, -32.32322330470336], [-61.46966991411011, -32.46966991411009], [-61.25, -33.0], [-61.35355339059328, -33.25], [-61.25, -33.5], [-61.35355339059328, -33.75], [-61.25, -34.0], [-61.35355339059328, -34.25], [-61.25, -34.5], [-61.46966991411011, -35.03033008588991], [-62.0, -35.25], [-62.53033008588989, -35.03033008588991], [-62.67677669529661, -34.67677669529664], [-63.03033008588989, -34.53033008588991], [-63.25, -34.0], [-63.14644660940672, -33.75], [-63.25, -33.5], [-63.14644660940672, -33.25], [-63.17677669529661, -33.17677669529664], [-63.25, -33.14644660940672], [-63.5, -33.25], [-63.75, -33.14644660940672], [-64.0, -33.25], [-64.25, -33.14644660940672], [-64.5, -33.25], [-65.03033008588989, -33.03033008588991], [-65.17677669529661, -32.67677669529664]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 8.66065124417662}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 5.542885352773494}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [14.977116444604462, 14.107999039196784, 15.692101326569343, 14.726330904240058]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [15.472837774604386, 17.5863425029504, 20.147001816665977, 19.00985892277521]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [5.434589129831124, 4.888535246197396, 6.40831046196377, 5.339832292599493]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [5.982553512241736, 5.851132251841932, 8.66065124417662, 7.545439440395739]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5725894219797427, 1.4554784434346055, 1.8836579057880387, 1.5627318716988743]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.692410044836913, 1.6817720083860646, 2.330488266580309, 2.1861626511870456]}}